PHILADELPHIA – Today we'll get an update on an incredible medical procedure in which a child got a double hand transplant.
He is the first child in the world to undergo the procedure.
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The Children's Hospital of Philadelphia is holding the news conference Tuesday.
Harvey, now 9 years old, seems to be doing great.
Earlier this month, he threw out the ceremonial first pitch at a Baltimore Orioles game.
Zion lost both hands and his feet when he was 2 years old to a life-threatening bacterial infection that also led to a kidney transplant